Substitute C = 30 into F = (9/5)C + 32. This yields F = (9/5)(30) + 32 = 9(6) + 32 = 54 + 32 = 86. Thus, the temperature is 86°F. NCERT Solution for Class 9 Ganita Manjari Part 2 ...
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The y-intercept is 0 because the line crosses the y-axis at the origin (0, 0). It signifies that when the variable x equals zero, the corresponding value of y is also zero. Cbse released Class 9 Ganita Manjari Part 2 book
Let a pencil cost ₹x and a pen ₹y. Equations are 5x + 7y = 50 and 7x + 5y = 46. Adding gives x + y = 8. Subtracting gives x − y = −2. Solving yields x = ...
Since weight is proportional to volume, the volume ratio is 5920 / 740 = 8. Thus, the radius ratio is the cube root of 8, which is 2. The larger sphere’s radius is 2 × 2.5 = 5 cm. Ganita Manjari ...
This system has no solution. Here, a₁/a₂ = 1/3 and b₁/b₂ = -1/(-3) = 1/3, but c₁/c₂ = -8/(-16) = 1/2. Because the lines are parallel, they never intersect. Cbse released Class 9 Ganita Manjari Part 2 book Chapter 13 Two ...